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Precautions For The Laying Of Control Cables Indoors
Dec 07, 2017

Control cables are laid indoors


1. no armored cable in the house, when the horizontal laying, the interval should not be less than 2.5 m; when laid straight, the interval between the ground and the floor should not be less than 1.8 m. When the above requirements are not met, the cable mechanical damage should be avoided. When the Ming apply in the distribution room, the motor room, equipment layer and other special rooms, not subject to this constraint.


2. the same voltage as the cable, the net distance of the cable should not be less than 35 mm, and should not be less than the diameter of the cable; 1000 kv and below power cable and control cable and more than 1000 kv power cable should be separated and laid. When juxtaposed, the net spacing should not be less than 150 mm.


3. the net spacing between the cable and the thermal pipe should not be less than 1 m, and when the net distance is less than or equal to 1 m, the heat insulating method shall be adopted. and non-thermal piping should not be less than 0.5 meters net distance, when its net distance is less than or equal to 0.5 meters, should be near the cable section with the pipeline, as well as from the end of the paragraph to extend not less than 0.5 m in the cable section, to avoid mechanical damage to the cable.